static void Main(string[] args) { // 公車,即聚集物件 ConcreteAggregate aggregate = new ConcreteAggregate(); aggregate[0] = "大鳥"; aggregate[1] = "小菜"; aggregate[2] = "行李"; aggregate[3] = "老外"; aggregate[4] = "巴士內部員工"; aggregate[5] = "小偷"; Iterator iterator = new ConcreteIterator(aggregate); while (!iterator.IsDone()) { Console.WriteLine($"{iterator.CurrentItem()} 請買車票"); iterator.Next(); } Console.WriteLine(); Iterator iterator2 = new ConcreteIteratorDesc(aggregate); while (!iterator2.IsDone()) { Console.WriteLine($"{iterator2.CurrentItem()} 請買車票"); iterator2.Next(); } Console.ReadLine(); }
static void Main(string[] args) { ConcreteAggregate a = new ConcreteAggregate(); a[0] = "A"; a[1] = "B"; a[2] = "C"; a[3] = "D"; a[4] = "E"; Iterator i = new ConcreteIteratorDesc(a); object item = i.First(); while (!i.IsDone()) { Console.WriteLine("{0} 请买车票!", i.CurrentItem()); i.Next(); } Console.Read(); }